(Si buscas la encuesta de Rivas y Arganda del Rey, sigue este enlace)

CoronaSurveys Project Summary

The CoronaSurveys project is a collaborative endeavour from several universities and research institutions (team members) Data about COVID-19 cases is collected via anonymous open surveys (all the data collected is openly available). The results below present estimations on the incidence and evolution of COVID-19 obtained from this data using the Network Scale-up Method. You can help by regularly completing the anonymous survey.

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Contribute and fill the anonymous survey for a country:

Select A Country Afghanistan Albania Algeria Andorra Angola Anguilla Antigua and Barbuda Argentina Armenia Aruba Australia Austria Azerbaijan Bahamas Bahrain Bangladesh Barbados Belarus Belgium Belize Benin Bermuda Bhutan Bolivia Bosnia and Herzegovina Botswana Brazil British Virgin Islands Brunei Daruss alam Bulgaria Burkina Faso Burundi Cambodia Cameroon Canada Canary Islands (Spain) Cape Verde Cayman Islands Central African Republic Chad Chile China Colombia Comoros Costa Rica Croatia Cuba Curaco (Netherlands) Cyprus Czech Republic Côte d'Ivoire Dem. Rep. Korea Democratic Republic of the Congo Denmark Djibouti Dominica Dominican Republic Ecuador Egypt El Salvador Equatorial Guinea Eritrea Estonia Ethiopia Faeroe Islands Falkland Islands Fiji Finland France France French Polynesia Gabon Georgia Germany Ghana Greece Greenland Grenada Guadeloupe (France) Guatemala Guinea Guinea-Bissau Guyana Haiti Honduras Hong Kong Hungary Iceland India Indonesia Iran Iraq Ireland Israel Italy Jamaica Japan Jordan Kazakhstan Kenya Kosovo Kuwait Kyrgyzstan Lao PDR Latvia Lebanon Lesotho Liberia Libya Liechtenstein Lithuania Luxembourg Macedonia Madagascar Malawi Malaysia Maldives Mali Malta Martinique (France) Mauritania Mauritius Mayotte (France) Mexico Moldova Mongolia Montenegro Montserrat Morocco Mozambique Myanmar Namibia Nauru Nepal Netherlands New Caledonia New Zealand Nicaragua Niger Nigeria Norway Oman Pakistan Palestine Panama Papua New Guinea Paraguay Peru Philippines Pitcairn Islands Poland Portugal Puerto Rico Qatar Republic of Congo Republic of Korea Reunion (France Romania Russia Rwanda Saint Kitts and Nevis Saint Lucia Saint Martin (Dutch) Saint Martin (French) Saint Vincent and the Grenadines Saudi Arabia Senegal Serbia Seychelles Sierra Leone Singapore Slovakia Slovenia Solomon Islands Somalia South Africa South Sudan Spain Sri Lanka Sudan Suriname Swaziland Sweden Switzerland Syria São Tomé and Principe Taiwan Tajikistan Tanzania Thailand The Gambia Timor-Leste Togo Tonga Trinidad and Tobago Tunisia Turkey Turkmenistan Turks and Caicos Islands Uganda Ukraine United Arab Emirates United Kingdom United States United States Virgin Islands Uruguay Uzbekistan Vanuatu Venezuela Vietnam Western Sahara Yemen Zambia Zimbabwe

Or, click on a location to start a survey:

Global estimates of active infectious cases obtained by CoronaSurveys

Global estimates, Interactive Version

How can I help?

Please complete our surveys! Choose a country in which you have contacts, and tell us about the number of cases (suspected or confirmed) you know about. No personal information is stored in these surveys. Because each of us can provide information about the situation among our direct contacts, in aggregate we are able to get rough estimates of total cases.

Because we are tracking the evolution of this epidemic over time, once you have completed the survey, please remember to come back and update the survey at least once a week, or when the responses change. And finally, you can help us by asking your friends, colleagues and relatives to complete the survey as well! Thank you!

About the project

The world is suffering from a pandemic called COVID-19, caused by the SARS-CoV-2 virus. The different national governments have problems evaluating the reach of the epidemic, having limited resources and tests to their disposal. Hence, any means to evaluate the number of persons with symptoms compatible with COVID-19 with reasonable level of accuracy is useful.

The objective of this study is the collection and publication of data concerning the number of people that show symptoms compatible with COVID-19 in different countries. This data is useful to estimate the number of infected persons with the COVID-19 virus at a given point in time in these countries, and the evolution of this number over time, using techniques like the Network Scale-up Method.